Exemplo n.º 1
0
    def visit_simple_value(self, node):
        # In case of date specifiers convert relative or text date to normal date.
        for regexp, date_conversion_handler in DATE_SPECIFIERS_CONVERSION_HANDLERS.items(
        ):
            date_value = node.value
            regexp_match = regexp.match(node.value)
            if regexp_match:
                relative_date_specifier_suffix = date_value.split(
                    regexp_match.group())[1]
                return ast.Value(
                    str(date_conversion_handler(
                        relative_date_specifier_suffix)))

        # Normal text value
        return ast.Value(
            node.value,
            True if ast.GenericValue.WILDCARD_TOKEN in node.value else False)
Exemplo n.º 2
0
    def visit_complex_value(self, node):
        """Convert :class:`ComplexValue` to one of ExactMatch, PartialMatch and Regex Value nodes."""
        if node.value.startswith(ComplexValue.EXACT_VALUE_TOKEN):
            value = node.value.strip(ComplexValue.EXACT_VALUE_TOKEN)
            return ExactMatchValue(value)

        elif node.value.startswith(ComplexValue.PARTIAL_VALUE_TOKEN):
            value = node.value.strip(ComplexValue.PARTIAL_VALUE_TOKEN)
            return PartialMatchValue(
                value,
                True if ast.GenericValue.WILDCARD_TOKEN in value else False)

        elif node.value.startswith(ComplexValue.REGEX_VALUE_TOKEN):
            return RegexValue(node.value.strip(ComplexValue.REGEX_VALUE_TOKEN))
        else:
            # Covering the case where ComplexValue supports more than ExactMatch, PartialMatch and Regex values.
            msg = self.__class__.__name__ + ': Unrecognized complex value'
            try:
                msg += ' lookahead token: "' + node.value[0] + '"'
            except IndexError:
                msg += ': \"' + repr(node.value) + '"'
            msg += '.\nUsing simple value instead: "' + node.value + '".'
            logger.warn(msg)
            return ast.Value(node.value)
Exemplo n.º 3
0
 def visit_simple_range_value(self, node):
     return ast.Value(node.value)
Exemplo n.º 4
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 def visit_less_equal_op(self, node):
     try:
         value = node.op.accept(self)
     except AttributeError:  # Case of "100-" format where 100 is text (and not a SimpleValue).
         value = ast.Value(node.op)
     return ast.LessEqualThanOp(value)